(Z)-2,3-Dibromo-4,4-bis(4-ethylphenyl)-2-butenoic acid

Base Information

• Chemical Name: (Z)-2,3-Dibromo-4,4-bis(4-ethylphenyl)-2-butenoic acid
• CAS No.: 32953-81-4
• Molecular Formula: C20H20Br2O2
• Molecular Weight: 452.1796
• Nikkaji Number: J446.413C

Synonyms:(Z)-2,3-Dibromo-4,4-bis(4-ethylphenyl)-2-butenoic acid;2-Butenoic acid, 2,3-dibromo-4,4-bis(4-ethylphenyl)-, (Z)-;32953-81-4;EFBK;C20H20Br2O2;C20-H20-Br2-O2;AKOS024403838;4,4-bis(4-ethylphenyl)-2,3-dibromoisocrotonic acid;(2Z)-2,3-dibromo-4,4-bis(4-ethylphenyl)-2-butenoic acid

Chemical Property of (Z)-2,3-Dibromo-4,4-bis(4-ethylphenyl)-2-butenoic acid

Chemical Property:

• Vapor Pressure: 4.09E-12mmHg at 25°C
• Boiling Point: 531.2°Cat760mmHg
• Flash Point: 275.1°C
• Density: 1.512g/cm³
• XLogP3: 6.6
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 6
• Exact Mass: 451.98096
• Heavy Atom Count: 24
• Complexity: 421

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CCC1=CC=C(C=C1)C(C2=CC=C(C=C2)CC)C(=C(C(=O)O)Br)Br
• Isomeric SMILES: CCC1=CC=C(C=C1)C(C2=CC=C(C=C2)CC)/C(=C(\C(=O)O)/Br)/Br

Technology Process of (Z)-2,3-Dibromo-4,4-bis(4-ethylphenyl)-2-butenoic acid

There total 2 articles about (Z)-2,3-Dibromo-4,4-bis(4-ethylphenyl)-2-butenoic acid which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

mucobromic acid (488-11-9) + ethylbenzene (100-41-4,27536-89-6) → 4,4-bis(4-ethylphenyl)-2,3-dibromo-cis-2-butenoic acid (32953-81-4)

Guidance literature:

With aluminium trichloride;

DOI:10.1135/cccc19752869

Reference yield:

→ 4,4-bis(4-ethylphenyl)-2,3-dibromo-cis-2-butenoic acid (32953-81-4)

Guidance literature:

Mucochlorsaeure, Ethylbenzol, AlCl3;

Reference yield: 46.0%

4,4-bis(4-ethylphenyl)-2,3-dibromo-cis-2-butenoic acid (32953-81-4) + GlyOEt*HCl (459-73-4) → [(Z)-2,3-Dibromo-4,4-bis-(4-ethyl-phenyl)-but-2-enoylamino]-acetic acid ethyl ester (75230-00-1)

Guidance literature:

With dicyclohexyl-carbodiimide; In dichloromethane; at 10 ℃; for 24h;

upstream raw materials:

mucobromic acid

ethylbenzene

Downstream raw materials:

(2-{2-[(Z)-2,3-Dibromo-4,4-bis-(4-ethyl-phenyl)-but-2-enoylamino]-acetylamino}-acetylamino)-acetic acid ethyl ester

4,4-bis(4-ethylphenyl)-2,3-dibromo-cis-2-butenoic acid chloride

[(Z)-2,3-Dibromo-4,4-bis-(4-ethyl-phenyl)-but-2-enoylamino]-acetic acid ethyl ester

(Z)-2,3-Dibromo-4,4-bis-(4-ethyl-phenyl)-but-2-enoic acid amide

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